单项选择题
A.Customer (顾客)、Cost (成本)、Convenience (便利)和Communication (沟通)
B.Customer (顾客)、Confidence (信任)、Cost (成本)和Cooperation (合作)
C.Customer (顾客)、Confidence (信任)、Convenience (便利)和Communication(沟通)
D.Customer (顾客)、Cost (成本)、Creation (创造)和Communication (沟通)